禽流感bird flu;
流行病epidemic;
病毒virus;
感染infect/contract;
传染transmission;
诊断diagnose;
致病sicken;
患者patient;
症状symptom;
发热fever;
咳嗽cough;
病例case;
家禽poultry
词汇补充：
avian influenza/bird flu禽流感;
AIV(avian influenza virus)禽流感病毒;
poultry家禽;
epidemic/infectious disease/contagious disease传染病;
outbreak疾病的突然发生或蔓延;
control efforts防控措施;
disease surveillance疾病监测;
suspected cases疑似病例